org.h2.value.lob.LobDataInMemory Maven / Gradle / Ivy
/*
* Copyright 2004-2022 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (https://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.value.lob;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
/**
* LOB data stored in memory.
*/
public final class LobDataInMemory extends LobData {
/**
* If the LOB is below the inline size, we just store/load it directly here.
*/
private final byte[] small;
public LobDataInMemory(byte[] small) {
if (small == null) {
throw new IllegalStateException();
}
this.small = small;
}
@Override
public InputStream getInputStream(long precision) {
return new ByteArrayInputStream(small);
}
/**
* Get the data if this a small lob value.
*
* @return the data
*/
public byte[] getSmall() {
return small;
}
@Override
public int getMemory() {
/*
* Java 11 with -XX:-UseCompressedOops 0 bytes: 120 bytes 1 byte: 128
* bytes
*/
return small.length + 127;
}
}